What’s Vulnerable › Vulnerabilities

CVE-2021-43214: Web Media Extensions Remote Code Execution Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-15 · updated 2026-06-17

Description

Web Media Extensions Remote Code Execution Vulnerability

Affected products

• Microsoft Raw Image Extension: before 2.0.23022.0 — fixed in 2.0.23022.0
• Microsoft Raw Image Extension: all versions

How to fix

Upgrade to a fixed version: Microsoft Raw Image Extension 2.0.23022.0. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43214
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43214

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